chore(deps): update dependency google-auth to v1.20.1 [(#4452)](https://github.com/GoogleCloudPlatform/python-docs-samples/issues/4452)
chore(deps): update dependency google-auth to v1.20.1 [(#4452)](https://github.com/GoogleCloudPlatform/python-docs-samples/issues/4452)


GoogleCloudPlatform/python-docs-samples,GoogleCloudPlatform/python-docs-samples,GoogleCloudPlatform/python-docs-samples,GoogleCloudPlatform/python-docs-samples